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https://issues.apache.org/jira/browse/HIVE-21109?focusedWorklogId=221664&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-221664
]
ASF GitHub Bot logged work on HIVE-21109:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Apr/19 09:41
Start Date: 02/Apr/19 09:41
Worklog Time Spent: 10m
Work Description: ashutosh-bapat commented on pull request #579:
HIVE-21109 : Support stats replication for ACID tables.
URL: https://github.com/apache/hive/pull/579#discussion_r271215497
##########
File path:
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/TestStatsReplicationScenariosMigration.java
##########
@@ -0,0 +1,78 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hive.ql.parse;
+
+import org.apache.hadoop.hive.conf.HiveConf;
+import org.apache.hadoop.hive.metastore.conf.MetastoreConf;
+import
org.apache.hadoop.hive.metastore.messaging.json.gzip.GzipJSONMessageEncoder;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.rules.TestName;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Tests statistics replication for ACID tables.
+ */
+public class TestStatsReplicationScenariosMigration extends
TestStatsReplicationScenarios {
+ @Rule
+ public final TestName testName = new TestName();
+
+ protected static final Logger LOG =
LoggerFactory.getLogger(TestReplicationScenarios.class);
+
+ @BeforeClass
+ public static void classLevelSetup() throws Exception {
+ Map<String, String> overrides = new HashMap<>();
+ overrides.put(MetastoreConf.ConfVars.EVENT_MESSAGE_FACTORY.getHiveName(),
+ GzipJSONMessageEncoder.class.getCanonicalName());
+
+ HashMap<String, String> replicaConfigs = new HashMap<String, String>() {{
+ put("hive.support.concurrency", "true");
+ put("hive.txn.manager",
"org.apache.hadoop.hive.ql.lockmgr.DbTxnManager");
+ put("hive.metastore.client.capability.check", "false");
+ put("hive.repl.bootstrap.dump.open.txn.timeout", "1s");
+ put("hive.exec.dynamic.partition.mode", "nonstrict");
+ put("hive.strict.checks.bucketing", "false");
+ put("hive.mapred.mode", "nonstrict");
+ put("mapred.input.dir.recursive", "true");
+ put("hive.metastore.disallow.incompatible.col.type.changes", "false");
+ put("hive.strict.managed.tables", "true");
+ }};
+ replicaConfigs.putAll(overrides);
+
+ HashMap<String, String> primaryConfigs = new HashMap<String, String>() {{
+ put("hive.metastore.client.capability.check", "false");
+ put("hive.repl.bootstrap.dump.open.txn.timeout", "1s");
+ put("hive.exec.dynamic.partition.mode", "nonstrict");
+ put("hive.strict.checks.bucketing", "false");
+ put("hive.mapred.mode", "nonstrict");
+ put("mapred.input.dir.recursive", "true");
+ put("hive.metastore.disallow.incompatible.col.type.changes", "false");
+ put("hive.support.concurrency", "false");
+ put("hive.txn.manager",
"org.apache.hadoop.hive.ql.lockmgr.DummyTxnManager");
+ put("hive.strict.managed.tables", "false");
+ }};
+ primaryConfigs.putAll(overrides);
+
+ internalBeforeClassSetup(primaryConfigs, replicaConfigs,
Review comment:
The write Id associated with the column stats is stored in Table/Partition
object. For migration case, this writeId may not exactly represent the writeId
of stats if there's an alter table event after column stats update. Such an
alter table event would open a new transaction and update writeId in
table/partition object.
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Issue Time Tracking
-------------------
Worklog Id: (was: 221664)
Time Spent: 11h 50m (was: 11h 40m)
> Stats replication for ACID tables.
> ----------------------------------
>
> Key: HIVE-21109
> URL: https://issues.apache.org/jira/browse/HIVE-21109
> Project: Hive
> Issue Type: Sub-task
> Reporter: Ashutosh Bapat
> Assignee: Ashutosh Bapat
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21109.01.patch, HIVE-21109.02.patch,
> HIVE-21109.03.patch, HIVE-21109.04.patch, HIVE-21109.05.patch,
> HIVE-21109.06.patch, HIVE-21109.07.patch, HIVE-21109.08.patch
>
> Time Spent: 11h 50m
> Remaining Estimate: 0h
>
> Transactional tables require a writeID associated with the stats update. This
> writeId needs to be in sync with the writeId on the source and hence needs to
> be replicated from the source.
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